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GPU Comparison
AMD Radeon R9 270X vs ATI Radeon HD 5450 PCI
AMD Radeon R9 270X vs ATI Radeon HD 5450 PCI
VS
AMD Radeon R9 270X
ATI Radeon HD 5450 PCI
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 270X 's Advantages
Released 3 years and 8 months late
Boost Clock1050MHz
Larger VRAM bandwidth (179.2GB/s vs 5.328GB/s)
1200 additional rendering cores
ATI Radeon HD 5450 PCI 's Advantages
Lower TDP (19W vs 180W)
Score
Benchmark
FP32 (float)
Radeon R9 270X
+2484%
2.688 TFLOPS
Radeon HD 5450 PCI
0.104 TFLOPS
Radeon R9 270X
VS
Radeon HD 5450 PCI
Graphics Card
Oct 2013
Release Date
Feb 2010
Volcanic Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCI
Clock Speeds
1000 MHz
Base Clock
-
1050 MHz
Boost Clock
-
1400 MHz
Memory Clock
333 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
179.2GB/s
Bandwidth
5.328GB/s
Render Config
-
SM Count
-
20
Compute Units
2
1280
Shading Units
80
80
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
33.60 GPixel/s
Pixel Rate
2.600 GPixel/s
84.00 GTexel/s
Texture Rate
5.200 GTexel/s
-
FP16 (half)
-
2.688 TFLOPS
FP32 (float)
104.0 GFLOPS
168.0 GFLOPS
FP64 (double)
-
Graphics Processor
Curacao
GPU Name
Cedar
Curacao XT (215-0848004)
GPU Variant
Cedar PRO
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
0.292 billion
212 mm²
Die Size
59 mm²
Board Design
180W
TDP
19W
450 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a
2x 6-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
5.0
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